CN109550396A - Dust removal by filtration denitrification integral equipment and technique - Google Patents
Dust removal by filtration denitrification integral equipment and technique Download PDFInfo
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- CN109550396A CN109550396A CN201710883315.9A CN201710883315A CN109550396A CN 109550396 A CN109550396 A CN 109550396A CN 201710883315 A CN201710883315 A CN 201710883315A CN 109550396 A CN109550396 A CN 109550396A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/86—Catalytic processes
- B01D53/90—Injecting reactants
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/24—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/56—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition
- B01D46/58—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition connected in parallel
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/66—Regeneration of the filtering material or filter elements inside the filter
- B01D46/70—Regeneration of the filtering material or filter elements inside the filter by acting counter-currently on the filtering surface, e.g. by flushing on the non-cake side of the filter
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/86—Catalytic processes
- B01D53/8621—Removing nitrogen compounds
- B01D53/8625—Nitrogen oxides
- B01D53/8628—Processes characterised by a specific catalyst
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/86—Catalytic processes
- B01D53/8621—Removing nitrogen compounds
- B01D53/8625—Nitrogen oxides
- B01D53/8631—Processes characterised by a specific device
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2251/00—Reactants
- B01D2251/20—Reductants
- B01D2251/206—Ammonium compounds
- B01D2251/2062—Ammonia
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/20—Metals or compounds thereof
- B01D2255/206—Rare earth metals
- B01D2255/2063—Lanthanum
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/20—Metals or compounds thereof
- B01D2255/206—Rare earth metals
- B01D2255/2065—Cerium
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/20—Metals or compounds thereof
- B01D2255/207—Transition metals
- B01D2255/20738—Iron
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/20—Metals or compounds thereof
- B01D2255/207—Transition metals
- B01D2255/20761—Copper
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Environmental & Geological Engineering (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Treating Waste Gases (AREA)
Abstract
The invention discloses a kind of dust removal by filtration denitrification integral equipment, including dedusting denitrating tower, the dedusting denitrating tower is from top to bottom followed successively by recoil section, denitration section, dedusting section sum aggregate ash section；Mounting plate is wherein equipped between dedusting section and denitration section, mounting plate is equipped with multiple dust removing tubes, and dedusting section lower end is equipped with gas inlet；The dust removing tube includes head, neck and ontology, the wherein neck groove that there is neck a circle to concave towards dedusting denitration tower top, the head flange protruded to tower bottom is enclosed to make the head being connected with neck form one, the mounting flange for accordingly having a circle mutually chimeric with neck groove on mounting plate and the installation groove for accommodating head flange；Using above equipment dedusting and wet denitration and during processing the air speed of control flue gas and other reaction gas can a large amount of flue gas of efficient process, improve flue gas ash removal denitration efficiency.
Description
Technical field
The present invention relates to exhaust-gas treatments, more particularly, to a kind of dust removal by filtration denitrification integral equipment, while being related to filtering
Dedusting denitrification integral process.
Background technique
Nitrogen oxides (NOx) be one of Air Pollutant Discharge and air contaminant treatment and environmental protection emphasis and
Difficult point.Significant changes will not occur within decades from now on for energy resource structure of the China based on coal, and the burning of coal easily causes
Severe air pollution, the especially NOx in coal-fired flue-gas are extremely serious to human health and environmental hazard.In the near future,
Environmental problem will become an important factor for restricting economic development, and protection and improvement environment are to guarantee China's sustainable economic development
Necessary condition.Furthermore glass furnace production process temperature is high, and the nitrogen oxide emission of unit product is big, denitration pressure also compared with
Greatly.And SCR technology (SCR) is the gas denitrifying technology being most widely used at present, for controlling nitrogen oxides
Discharge play a significant role.Often contain a large amount of dust to denitration gas simultaneously, usually requires to first pass through before denitrification step
Dust collecting process so as not to denitrification apparatus, denitrating catalyst failure.
Summary of the invention
In order to solve the above technical problems, the present invention, which provides one kind, can be suitable for SCR technology and can be with dedusting denitration one
The flue gas purifying equipment of change.
It is described the technical solution of the present invention is to provide a kind of dust removal by filtration denitrification integral equipment, including dedusting denitrating tower
Dedusting denitrating tower is from top to bottom followed successively by recoil section, denitration section, dedusting section sum aggregate ash section；A recoil is equipped at the top of the recoil section
Gas feed is equipped with spray head screen between the section that recoils and denitration section, the spray head screen is equipped with multiple spray heads, described
Spray head can spray denitration liquid into denitration section；Denitration section lower end is exported equipped with denitration liquid, and upper end is respectively equipped with flue gas
Outlet and ammonia imports；Mounting plate is equipped between the dedusting section and denitration section, mounting plate is equipped with multiple dust removing tubes, dedusting section
Lower end is equipped with gas inlet；The dust removing tube includes head, neck and ontology, and wherein there is neck a circle to concave towards dedusting denitrating tower
The neck groove on top, so that making the head being connected with neck form one encloses the head flange protruded to tower bottom, accordingly mounting plate
The upper mounting flange mutually chimeric with neck groove with a circle and the installation groove for accommodating head flange.
The denitration section is additionally provided with double helix blade, breaing up the gas and ammonia that pass through dust removal and filtration into denitration
Duan Zhong, at the same the denitration liquid that sprays of spray head when flowing through blade blade face partially liq due to centrifugal action be thrown out of in denitration section
Dedusting gas reaction and play certain action of turbulent flow, in addition dedusting gas can also be reacted on blade blade face with denitration liquid from
And the reaction time of denitration liquid Yu dedusting gas is increased, keep the denitration effect of dedusting gas more preferable.
The gap formed between the dust removing tube neck groove and mounting plate mounting flange is filled with ceramic fibre isolating pad,
It is leaked into denitration section with preventing the gas without dedusting from directly passing through the gap.
The dust removing tube neck flange does not take the installation groove of mounting plate completely, and vacant installation groove space is to poly-
Collect denitration liquid, is exchanged with reaching fluid-tight purpose to avoid the gas-liquid between denitration section and dedusting section unprocessed.
Not less than installation plate thickness, the edge of vacant installation groove is provided with excessive the mounting flange height of the mounting plate
Liquid mouth, liquid spill-way connection are located at the discharge channel inside mounting plate, and the discharge path outlet denitration liquid outlet guarantees de-
Nitre liquid can be exported in time by denitration liquid and is discharged, and fume treatment process is accelerated, and improve treatment effeciency, while preventing denitration hydrorrhea
Enter in dedusting section, influences efficiency of dust collection.
The liquid spill-way is circumferentially uniformly distributed in the edge of vacant installation groove along dust removing tube, and discharge channel is arranged as
Each dust removing tube has at least one circular passage, is connected between adjacent annular channel by least one straight way.
The gas inlet, exhanst gas outlet, ammonia imports, denitration liquid outlet, back flushing gas import are equipped with valve, to
Control the opening and closing of each mouth.
The exhanst gas outlet connection flue gas emission or after-treatment device, the denitration liquid outlet connection devil liquor recovery processing dress
It sets.
Used by oscillating screen, which is additionally provided with, between the dedusting section and the grey section of collection enters collection apparatus for ash preferably to collect dust,
And it is cleared up by ash hole.
The advantages of the present invention: denitration, dust removing tube and installation are dusted to flue gas using dedusting denitrating tower
Plate is cooperated by neck groove and head flange and mounting flange and installation groove, and denitration section and dedusting can be realized in simple modifications
The fluid-tight of section, reaches good isolation effect, controls flue gas and other reaction gas using wet denitration and during processing
Air speed can a large amount of flue gas of efficient process, improve flue gas ash removal denitration efficiency.
Detailed description of the invention
Fig. 1 is dust removal by filtration denitrification integral device structure schematic diagram of the invention.
Fig. 2 is the enlarged diagram in Fig. 1 at A.
Fig. 3 is the local overlooking schematic diagram of mounting plate in Fig. 1.
Appended drawing reference: 1- spray head screen, 2- spray head, 3- gas inlet, 31- valve, 4- collection apparatus for ash, 41- ash discharge
Mouthful, 5- exhanst gas outlet, 51- valve, the outlet of 6- denitration liquid, 7- partition, 8- dust removing tube, 81- neck groove, 82- head flange, 9-
Mounting plate, 91- discharge channel, 92- liquid spill-way, 93- mounting flange, 94- installation groove, 95- isolating pad, 10- back flushing gas into
Mouthful, 101- valve, 11- vibrating screen, 12- ammonia imports, 121- valve, 13- double helix blade
Specific embodiment
The invention will be further described With reference to embodiment.
Embodiment 1
The present invention provides a kind of dust removal by filtration denitrification integral equipment, including dedusting denitrating tower, the dedusting denitrating tower by
Recoil section, denitration section, dedusting section sum aggregate ash section are followed successively by under；A back flushing gas import 10 is equipped at the top of the recoil section,
Spray head screen 1 is equipped between the section that recoils and denitration section, the spray head screen 1 is equipped with multiple spray heads 2, the spray head
2 can spray denitration liquid into denitration section；Denitration section lower end is equipped with denitration liquid outlet 6, and upper end is respectively equipped with exhanst gas outlet 5
With ammonia imports 12；Mounting plate 9 is equipped between the dedusting section and denitration section, mounting plate 9 is equipped with multiple dust removing tubes 8, dedusting
Section lower end is equipped with gas inlet 3；The dust removing tube 8 includes head, neck and ontology, and wherein neck there is a circle to concave towards dedusting de-
The neck groove 81 of nitre tower top, so that so that the head being connected with neck is formed one encloses the head flange 82 protruded to tower bottom, it is corresponding
Installation groove 94 on ground mounting plate with the circle mounting flange 93 mutually chimeric with neck groove and accommodating head flange.
The denitration section is additionally provided with double helix blade 13, breaing up the gas and ammonia that pass through dust removal and filtration into de-
In nitre section, at the same the denitration liquid that sprays of spray head when flowing through blade blade face partially liq since centrifugal action is thrown out of and denitration section
Interior dedusting gas reaction simultaneously plays certain action of turbulent flow, and in addition dedusting gas can also react on blade blade face with denitration liquid
To increase the reaction time of denitration liquid Yu dedusting gas, keep the denitration effect of dedusting gas more preferable.Smoke outlet removes
Dirt denitration tower wall is equipped with partition 7 and is got rid of by blade to smoke outlet tube to prevent denitration liquid, it is difficult to recycle denitration liquid.
The gap ceramic fibre isolating pad formed between the dust removing tube neck groove 81 and mounting plate mounting flange 93
95 fillings, are leaked into denitration section with preventing the gas without dedusting from directly passing through the gap.
The dust removing tube neck flange 82 does not take the installation groove 94 of mounting plate completely, and vacant installation groove space is used
To assemble denitration liquid, handed over reaching fluid-tight purpose to avoid the gas-liquid between denitration section and dedusting section unprocessed
Stream.
93 height of mounting flange of the mounting plate is not less than the thickness of mounting plate 9, the edge of vacant installation groove
It is provided with liquid spill-way 92, the connection of liquid spill-way 91 is located at the discharge channel 91 inside mounting plate, and 91 outlet of discharge channel is de-
Nitre liquid outlet 6 guarantees that denitration liquid can be exported by denitration liquid in time and is discharged that quickening fume treatment process improves treatment effeciency,
It prevents denitration liquid from overflowing into dedusting section simultaneously, influences efficiency of dust collection.
The liquid spill-way 92 is circumferentially uniformly distributed in the edge of vacant installation groove along dust removing tube 8, discharge channel 91
Being arranged as each dust removing tube as shown in Figure 3 has at least one circular passage, and it is straight to pass through at least one between adjacent annular channel
Road is connected.
The gas inlet 3, exhanst gas outlet 5, ammonia imports 12, denitration liquid outlet 6, back flushing gas import 10 are equipped with valve
Door, to control the opening and closing of each mouth.
The exhanst gas outlet 5 connects flue gas emission or after-treatment device, the 6 connection devil liquor recovery processing of denitration liquid outlet
Device.
It is additionally provided with vibrating screen 11 between the dedusting section and the grey section of collection and enters the grey dress of collection preferably to collect dust
It sets, and is cleared up by ash hole.
The present invention also provides a kind of dust removal by filtration denitrification integral process, step includes:
S1. gas inlet valve 31, exhanst gas outlet valve 51, denitration liquid outlet valve 61, ammonia imports valve are opened respectively
Door 121 closes the valve 101 of back flushing gas entrance, and being passed through flue gas and ammonia, (ammonia described herein is the mixed of ammonia and air
Close gas), exhanst gas outlet 5 connects aspiration pump (not shown) so that flue gas enters dedusting denitrating tower and sequentially by dedusting section
With denitration section, opening simultaneously the spray of spray head 2 ionic liquid denitration liquid, (catalytic active component is iron chloride, and mass concentration is
8%), double helix blade 13 is opened to be stirred；
S2. the air speed that control flue gas enters is 800m3The gaseous mixture air speed of/h, ammonia and air is 20000m3/ h, spiral
Blade revolving speed is 10r/min；
S3. denitration liquid is pumped out from denitration liquid outlet 6 in time in treatment process, in order to avoid denitration liquid is accumulated on mounting plate 9, with
Reduce corrosion of the denitration liquid to mounting plate, at the same prevent due to denitration liquid cannot in time from the overflow ducts discharge in mounting plate and
Dedusting section is penetrated into, the dust removing effects of dedusting section are influenced；
S4. run after a certain period of time, close gas inlet valve 31, exhanst gas outlet valve 51, denitration liquid outlet valve 61,
Ammonia imports valve 121 closes screw blade and stops spraying, opens the valve 101 of ash hole 41 and back flushing gas exit,
Vibrating screen 11 is opened, back flushing gas is passed through, the dust by accumulation in 8 outer wall of dust removing tube is blown off by back flushing gas, and via collection
Apparatus for ash 4 collects cleaning.
Embodiment 2
The equipment of the present embodiment is the same as embodiment 1.
In the dust removal by filtration denitrification integral process of the present embodiment, by the ionic liquid denitration liquid in 1 step S1 of embodiment
Catalytic active component be changed to copper chloride, mass concentration 10%, remaining step is the same as embodiment 1.
Embodiment 3
The equipment of the present embodiment is the same as embodiment 1.
In the dust removal by filtration denitrification integral process of the present embodiment, by the ionic liquid denitration liquid in 1 step S1 of embodiment
Catalytic active component be changed to lanthana, mass concentration 7%, remaining step is the same as embodiment 1.
Embodiment 4
The equipment of the present embodiment is the same as embodiment 1.
In the dust removal by filtration denitrification integral process of the present embodiment, by the ionic liquid denitration liquid in 1 step S1 of embodiment
Catalytic active component be changed to cerium oxide, mass concentration 7%, remaining step is the same as embodiment 1.
It is as shown in the table using dedusting denitration effect after equipment and processing step of the invention:
As seen from the above table, the dedusting of present device and technique and denitration effect are good, are fully able to meet discharge standard
Requirement.
The present embodiments relate to the material arrived, reagent and experimental facilities, are to meet industrial waste gas unless otherwise instructed
The commercial product of process field.
The above is merely a preferred embodiment of the present invention, it is noted that for those skilled in the art
For, under the premise of not departing from core of the invention technology, improvements and modifications can also be made, these improvements and modifications are also answered
Belong to scope of patent protection of the invention.With any change in the comparable meaning and scope of claims of the present invention, all
It is considered as being included within the scope of the claims.
Claims (10)
1. a kind of dust removal by filtration denitrification integral equipment, including dedusting denitrating tower, which is characterized in that the dedusting denitrating tower is by upper
Recoil section, denitration section, dedusting section sum aggregate ash section are followed successively by under；A back flushing gas import, recoil are equipped at the top of the recoil section
Spray head screen is equipped between section and denitration section, the spray head screen is equipped with multiple spray heads, and the spray head can be to
Denitration liquid is sprayed in denitration section；Denitration section lower end equipped with denitration liquid export, upper end be respectively equipped with exhanst gas outlet and ammonia into
Mouthful；Mounting plate is equipped between the dedusting section and denitration section, mounting plate is equipped with multiple dust removing tubes, and dedusting section lower end is equipped with flue gas
Import；The dust removing tube includes head, neck and ontology, and the neck that wherein there is neck a circle to concave towards dedusting denitration tower top is recessed
Slot accordingly has a circle so that so that the head being connected with neck is formed one encloses the head flange protruded to tower bottom on mounting plate
The installation groove of the mounting flange and accommodating head flange mutually chimeric with neck groove.
2. dust removal by filtration denitrification integral equipment according to claim 1, which is characterized in that the denitration section is additionally provided with double
Screw blade.
3. dust removal by filtration denitrification integral equipment according to claim 1, which is characterized in that the dust removing tube neck groove
The filling of isolating pad made of the gap ceramic fibre formed between mounting plate mounting flange.
4. dust removal by filtration denitrification integral equipment according to claim 1, which is characterized in that the dust removing tube neck flange
The installation groove of mounting plate is not taken completely, vacant installation groove space is to assemble denitration liquid.
5. dust removal by filtration denitrification integral equipment according to claim 1, which is characterized in that the installation of the mounting plate is convex
For edge height not less than installation plate thickness, the edge of vacant installation groove is provided with liquid spill-way, and liquid spill-way connection is located at mounting plate
Internal discharge channel, the discharge path outlet denitration liquid outlet.
6. dust removal by filtration denitrification integral equipment according to claim 5, which is characterized in that the liquid spill-way is vacant
The edge of installation groove is circumferentially uniformly distributed along dust removing tube, and discharge channel is arranged as each dust removing tube at least one annular
Channel is connected between adjacent annular channel by least one straight way.
7. dust removal by filtration denitrification integral equipment according to claim 1, which is characterized in that the gas inlet, flue gas
Outlet, ammonia imports, denitration liquid outlet, back flushing gas import are equipped with valve, to control the opening and closing of each mouth.
8. dust removal by filtration denitrification integral equipment according to claim 1, which is characterized in that the exhanst gas outlet connects cigarette
Gas discharge or after-treatment device, the denitration liquid outlet connection devil liquor recovery processing unit.
9. dust removal by filtration denitrification integral equipment according to claim 1, which is characterized in that the dedusting section and the grey section of collection
Between be additionally provided with vibrating screen.
10. a kind of dust removal by filtration denitrification integral process, step include:
S1. gas inlet, exhanst gas outlet, denitration liquid outlet, the valve at ammonia imports are opened respectively, close back flushing gas import
The valve at place, is passed through flue gas, opens simultaneously spray head spray denitration liquid, opens double helix blade and be stirred；
S2. denitration liquid is pumped out from denitration liquid exit in time in treatment process, in order to avoid denitration liquid is accumulated on mounting plate, to reduce
Corrosion of the denitration liquid to mounting plate, while preventing to penetrate into from the overflow ducts discharge in mounting plate in time due to denitration liquid
Dedusting section influences the dust removing effects of dedusting section；
S3. it runs after a certain period of time, closes ammonia imports, exhanst gas outlet, denitration liquid outlet and gas inlet, close screw blade
And stop spraying, open ash hole and back flushing gas exit valve, open vibrating screen, be passed through back flushing gas, will build up in
The dust of dedusting pipe outer wall is blown off by back flushing gas, and collects cleaning via collection apparatus for ash.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710883315.9A CN109550396A (en) | 2017-09-26 | 2017-09-26 | Dust removal by filtration denitrification integral equipment and technique |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710883315.9A CN109550396A (en) | 2017-09-26 | 2017-09-26 | Dust removal by filtration denitrification integral equipment and technique |
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| Publication Number | Publication Date |
|---|---|
| CN109550396A true CN109550396A (en) | 2019-04-02 |
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|---|---|---|---|
| CN201710883315.9A Pending CN109550396A (en) | 2017-09-26 | 2017-09-26 | Dust removal by filtration denitrification integral equipment and technique |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201997251U (en) * | 2010-12-31 | 2011-10-05 | 龙波 | Screw type movable liquid-fog smoke prevention, dust control, desulfuration and denitration absorption unit |
| CN206168171U (en) * | 2016-10-14 | 2017-05-17 | 中盐金坛盐化有限责任公司 | High temperature flue gas desulfurization denitration demercuration dust removal integrated device |
| CN206435015U (en) * | 2016-12-07 | 2017-08-25 | 江西南方环保机械制造总公司 | A kind of air-cooled desulphurization denitration dedusting deodorizing environmental protection device |
-
2017
- 2017-09-26 CN CN201710883315.9A patent/CN109550396A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201997251U (en) * | 2010-12-31 | 2011-10-05 | 龙波 | Screw type movable liquid-fog smoke prevention, dust control, desulfuration and denitration absorption unit |
| CN206168171U (en) * | 2016-10-14 | 2017-05-17 | 中盐金坛盐化有限责任公司 | High temperature flue gas desulfurization denitration demercuration dust removal integrated device |
| CN206435015U (en) * | 2016-12-07 | 2017-08-25 | 江西南方环保机械制造总公司 | A kind of air-cooled desulphurization denitration dedusting deodorizing environmental protection device |
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